How does fine dust aggregate into building blocks that ultimately form entire planets like our Earth? A research team led by ...

For most of my professional life I have thought about air pollution through the organs I know best. As a heart and lung surgeon, I spent decades studying how polluted air damages lungs, damages the ...

The first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University of ...

Oxygen has been the most important gas in our search for life among the cosmos thus far. On Earth, we have it in abundance ...

Cities and the countryside couldn't be any more different, so each environment has a profound effect on your mood and psyche.